1. Uber's growth on paper has been explosive. The company was valued at $60 million at the start of 2012. Now four years later, it's raised its pre-money valuation to $50 billion, a whopping $49.9 billion increase in value.

1. Uber's growth on paper has been explosive. The company was valued at $60 million at the start of 2012. Now four years later, it's raised its pre-money valuation to $50 billion, a whopping $49.9 billion increase in value.

Uber makes it easy to hail a car with the tap of a button, and it's also powering the delivery logistics for small businesses and delivering food.